28740708

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 76771968

約数和(自身を除く): 48031260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 103, 138, 206, 207, 276, 309, 337, 412, 414, 618, 674, 828, 927, 1011, 1236, 1348, 1854, 2022, 2369, 3033, 3708, 4044, 4738, 6066, 7107, 7751, 9476, 12132, 14214, 15502, 21321, 23253, 28428, 31004, 34711, 42642, 46506, 69422, 69759, 85284, 93012, 104133, 138844, 139518, 208266, 279036, 312399, 416532, 624798, 798353, 1249596, 1596706, 2395059, 3193412, 4790118, 7185177, 9580236, 14370354, 28740708]

約数ペア:

[(1, 28740708), (2, 14370354), (3, 9580236), (4, 7185177), (6, 4790118), (9, 3193412), (12, 2395059), (18, 1596706), (23, 1249596), (36, 798353), (46, 624798), (69, 416532), (92, 312399), (103, 279036), (138, 208266), (206, 139518), (207, 138844), (276, 104133), (309, 93012), (337, 85284), (412, 69759), (414, 69422), (618, 46506), (674, 42642), (828, 34711), (927, 31004), (1011, 28428), (1236, 23253), (1348, 21321), (1854, 15502), (2022, 14214), (2369, 12132), (3033, 9476), (3708, 7751), (4044, 7107), (4738, 6066)]